01 -
Line a cookie sheet with parchment paper and lay out Ritz crackers in a single layer.
02 -
In a saucepan, heat sweetened condensed milk, butter, and brown sugar over medium heat for 7-8 minutes, stirring frequently.
03 -
Lower the heat, then whisk in milk, vanilla, and peanuts. Cook for 2 more minutes until thickened, then remove from heat.
04 -
Spoon the caramel-peanut mixture onto each cracker using a cookie scoop.
05 -
Let the cookies cool completely, then store them in an airtight container to keep them fresh.